Features

l Multi-channel high-precision monitoring：Equipped with 2 built-in sensors and 1 external sensor, it simultaneously monitors indoor temperature, humidity and outdoor temperature to synchronously collect and compare indoor and outdoor environmental data. The external probe supports long-distance outdoor temperature measurement for direct comparison of indoor and outdoor environmental gaps. A 3-meter sensor cable comes with a 22.5×5.5 mm probe to deliver accurate outdoor readings.

l Accurate measurement & long battery endurance：Measurement ranges: outdoor temperature -50℃ ~ +70℃, indoor temperature 0℃ ~ +50℃, humidity 0~99.9% RH, all with 0.1 resolution for credible data. Powered by 2 AAA batteries, it lasts about 5 months, so no frequent battery replacement is needed for long-term monitoring.

l Large display & full functions：Extra-large 3-line LCD screen ensures clear readings from a distance. Functions include IN/OUT data switch, MAX/MIN value memory, time adjustment, alarm with snooze, 12/24-hour format, and switchable °C/°F temperature units. It also features a comfort index that classifies ambient conditions into comfortable, warm and cool zones, helping you optimize living environments easily. Built-in foldable stand and wall hanging hole support flexible placement and mounting.

lWide indoor & outdoor applicability：Applicable to household life, biological laboratories, outdoor inspection, industrial production, archives, museums, storage rooms, food processing, agricultural production, environmental testing, pharmaceutical cold chains and warehouses. It maintains stable measurement performance in all complex scenarios with outstanding overall quality.